1 vs 2 benchmarks won
Google Gemini 2.5 Pro | OpenAI GPT-5.2 | |
|---|---|---|
| Overview | ||
| Company | OpenAI | |
| Release date | Mar 25 2025 | Dec 11 2025 |
| Model type | — | — |
| Open source | No | No |
| Specifications | ||
Parameters | — | — |
Context window | — | — |
| Benchmarks | ||
Science reasoning GPQA Diamond | 86.4% | 92.4% |
Software engineering SWE-Bench Verified | 59.6% | 80% |
Multimodal understanding MMMU | 68% | — |
| Timeline | ||
| Release gap | Gemini 2.5 Pro shipped 261 days before GPT-5.2 | |
GPT-5.2 leads Gemini 2.5 Pro on 2 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). Gemini 2.5 Pro shipped 261 days before GPT-5.2, so benchmark comparisons should account for the intervening progress.
Published specifications for these two models are limited — see each model page for the latest details.
On GPQA Diamond, GPT-5.2 scores 92.4%, 6 points above Gemini 2.5 Pro at 86.4%. On SWE-Bench Verified, GPT-5.2 scores 80%, 20.4 points above Gemini 2.5 Pro at 59.6%.